dt-bindings: thermal: rcar-gen3-thermal: update register size in example

The datasheet has been expanded with more registers and the DT files
have been updated with the new size. This change updates the example so
writing new DT files can use the enhanced driver which uses the new
registers.
Signed-off-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: NSimon Horman <horms+renesas@verge.net.au>
[robh: s/have/has/, s/enchanted/enhanced/]
Signed-off-by: NRob Herring <robh@kernel.org>

Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt

@@ -27,9 +27,9 @@ Example:
 
 	tsc: thermal@e6198000 {
 		compatible = "renesas,r8a7795-thermal";
-		reg = <0 0xe6198000 0 0x68>,
-		      <0 0xe61a0000 0 0x5c>,
-		      <0 0xe61a8000 0 0x5c>;
+		reg = <0 0xe6198000 0 0x100>,
+		      <0 0xe61a0000 0 0x100>,
+		      <0 0xe61a8000 0 0x100>;
 		interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;